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<html lang="en">
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  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  
  <title>React o2o demo</title>
</head>
<body>
 <div id="root"></div>
</body>
</html>